3871207684608 has 160 divisors (see below), whose sum is σ = 11252589163200. Its totient is φ = 1172895989760.

The previous prime is 3871207684537. The next prime is 3871207684763. The reversal of 3871207684608 is 8064867021783.

It is a happy number.

It is a super-2 number, since 2×3871207684608² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124153116 + ... + 124184292.

It is an arithmetic number, because the mean of its divisors is an integer number (70328682270).

Almost surely, 2^{3871207684608} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3871207684608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5626294581600).

3871207684608 is an abundant number, since it is smaller than the sum of its proper divisors (7381381478592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3871207684608 is a wasteful number, since it uses less digits than its factorization.

3871207684608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38558 (or 38542 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 3871207684608 in words is "three trillion, eight hundred seventy-one billion, two hundred seven million, six hundred eighty-four thousand, six hundred eight".